diff --git a/nginx/nginx.conf.template b/nginx/nginx.conf.template
index 680c708..9b0a1d6 100644
--- a/nginx/nginx.conf.template
+++ b/nginx/nginx.conf.template
@@ -57,6 +57,10 @@ http {
             root /var/www/certbot;
         }
 
+        location /img/stamps/mine.gif {
+            add_header Access-Control-Allow-Origin *;
+        }
+
         location $BACKEND_ENDPOINT {
             return 301 $BACKEND_ENDPOINT/;
         }